<!-- 30天趋势图 -->
<template>
  <div class="diagram">
    <div class="container">
      <!-- 标题 -->
      <div class="tit">未来30天游客量趋势图</div>
      <!-- 折线图 -->
      <div class="echarts" ref="charts"></div>
    </div>
  </div>
</template>

<script setup lang="ts">
/* 引入 echarts */
import * as echarts from 'echarts'
import { onMounted, reactive, ref } from 'vue'
/* echart DOM实例 */
const charts = ref<any>()
/* 需要渲染的echarts数据 */
const diagramCharts = reactive<any>({
  color: ['#80FFA5', '#00DDFF', '#37A2FF', '#FF0087', '#FFBF00'],
  tooltip: {
    trigger: 'axis',
    axisPointer: {
      type: 'cross',
      label: {
        backgroundColor: '#6a7985',
      },
    },
  },
  legend: {
    data: ['20岁', '学生', '50岁以上', '50岁以上', '70岁以上'],
    textStyle: {
      color: '#fff',
    },
    right: '20px',
  },
  toolbox: {
    feature: {
      saveAsImage: {},
    },
  },
  grid: {
    left: '3%',
    right: '4%',
    bottom: '3%',
    containLabel: true,
  },
  xAxis: [
    {
      type: 'category',
      boundaryGap: false,
      data: ['5日', '10日', '15日', '20日', '25日', '30日'],
    },
  ],
  yAxis: [
    {
      type: 'value',
    },
  ],
  series: [
    {
      name: '20岁',
      type: 'line',
      stack: 'Total',
      smooth: true,
      lineStyle: {
        width: 0,
      },
      showSymbol: false,
      areaStyle: {
        opacity: 0.8,
        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
          {
            offset: 0,
            color: 'rgb(128, 255, 165)',
          },
          {
            offset: 1,
            color: 'rgb(1, 191, 236)',
          },
        ]),
      },
      emphasis: {
        focus: 'series',
      },
      data: [140, 232, 101, 264, 90, 340, 735],
    },
    {
      name: '学生',
      type: 'line',
      stack: 'Total',
      smooth: true,
      lineStyle: {
        width: 0,
      },
      showSymbol: false,
      areaStyle: {
        opacity: 0.8,
        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
          {
            offset: 0,
            color: 'rgb(0, 221, 255)',
          },
          {
            offset: 1,
            color: 'rgb(77, 119, 255)',
          },
        ]),
      },
      emphasis: {
        focus: 'series',
      },
      data: [120, 282, 111, 234, 220, 340, 1048],
    },
    {
      name: '50岁以上',
      type: 'line',
      stack: 'Total',
      smooth: true,
      lineStyle: {
        width: 0,
      },
      showSymbol: false,
      areaStyle: {
        opacity: 0.8,
        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
          {
            offset: 0,
            color: 'rgb(55, 162, 255)',
          },
          {
            offset: 1,
            color: 'rgb(116, 21, 219)',
          },
        ]),
      },
      emphasis: {
        focus: 'series',
      },
      data: [320, 132, 201, 334, 190, 130, 220],
    },
    {
      name: '60岁以上',
      type: 'line',
      stack: 'Total',
      smooth: true,
      lineStyle: {
        width: 0,
      },
      showSymbol: false,
      areaStyle: {
        opacity: 0.8,
        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
          {
            offset: 0,
            color: 'rgb(255, 0, 135)',
          },
          {
            offset: 1,
            color: 'rgb(135, 0, 157)',
          },
        ]),
      },
      emphasis: {
        focus: 'series',
      },
      data: [220, 402, 231, 134, 190, 230, 120],
    },
    {
      name: '70岁以上',
      type: 'line',
      stack: 'Total',
      smooth: true,
      lineStyle: {
        width: 0,
      },
      showSymbol: false,
      label: {
        show: true,
        position: 'top',
      },
      areaStyle: {
        opacity: 0.8,
        color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
          {
            offset: 0,
            color: 'rgb(255, 191, 0)',
          },
          {
            offset: 1,
            color: 'rgb(224, 62, 76)',
          },
        ]),
      },
      emphasis: {
        focus: 'series',
      },
      data: [50, 10, 60, 80, 100, 90, 80],
    },
  ],
})
/* 初始化echarts数据 */
onMounted(() => {
  /* 获取echarts对象实例 */
  const myEcharts = echarts.init(charts.value)
  /* 渲染初始化数据 */
  myEcharts.setOption(diagramCharts)
})
</script>

<style lang="scss" scoped>
.diagram {
  width: 100%;
  height: 100%;
  .container {
    position: relative;
    width: 100%;
    height: 100%;
    background: url('../../images/dataScreen-main-cb.png') no-repeat;
    background-size: 100% 100%;
    /* 标题 */
    .tit {
      position: absolute;
      top: 0;
      left: 0;
      padding-top: 10px;
      width: 100%;
      height: 50px;
      color: #ffff;
      font-size: 22px;
      background: url('../../images/dataScreen-title.png') no-repeat left bottom;
    }
    /* 渲染折线图 */
    .echarts {
      width: 100%;
      height: 100%;
    }
  }
}
</style>
